With the number of new and revised nonverbal and language-reduced tests of cognitive ability, selection and interpretation of appropriate measures can be complicated. Seven nonverbal or language-reduced tests with normative data collected within the last 15 years were evaluated. Besides evaluating technical adequacy, other variables affecting test…

The Draw-A-Classroom Test was designed to provide information (1) on how a child perceives the world and how this world is influenced by school experiences and (2) about the developing concepts and ideas in the child's mental, emotional, and social areas of growth. This test is one part of a larger Study of Achievement, and has been administered…

This article describes the Comprehensive Test of Nonverbal Intelligence, an assessment designed to evaluate the intellectual ability of students ages 6 to 18.11 years for whom other mental ability tests are inappropriate or to enable comparisons between verbal and nonverbal intellectual ability. Its administration, standardization, reliability,…

Questions often raised about intelligence tests are discussed: (1) the definition of intelligence; (2) the definition of intelligence quotient; (3) the kinds of tests available; (4) validity; (5) fairness to minority groups; (6) use made of test results; (7) differences in results among various intelligence tests; (8) differences in scores using…